Compilare: user.cpp:11:1: warning: ‘typedef’ was ignored in this declaration [enabled by default] }; ^ user.cpp: In function ‘int main()’: user.cpp:28:18: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] a[nr]=NULL; ^ user.cpp:43:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(strcmp(a,v[i].s)==0) ^ user.cpp:45:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[i].g+=nr; ^ user.cpp:75:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(strcmp(v[i].s,v[j].s)>0) ^ user.cpp:75:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(strcmp(v[i].s,v[j].s)>0) ^ user.cpp:76:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] swap(v[i],v[j]); ^ user.cpp:76:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] swap(v[i],v[j]); ^ user.cpp:78:15: warning: array subscript has type ‘char’ [-Wchar-subscripts] g<<v[i].s<<' '<<v[i].g<<'\n'; ^ user.cpp:78:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] g<<v[i].s<<' '<<v[i].g<<'\n'; ^